480 LABORATORY MANUAL OF HUMAN ANATOMY 



Winslow; three-fifths, Hyrtl, Merkel), which is known as the 

 empty intestine, or jejunum (intestinum jejunum), and a lower 

 two-thirds, known as the twisted intestine, or ileum (intestinum 



FIG. 251. 



Usual position of the intestines in the abdominal cavity. Although this is an actual specimen it 

 represent! the condition in twenty-one of forty-one cadavers. The numbers in the figure mark the 

 parts which are homologous with the loops correspondingly numbered in Figs. 252 and 253 ( ifter 

 Mall, Devel. of the Hum. Int. and its Position in the Adult, Bull. J. H. Hosp Baltimore 1898 vol ix 

 Nos. 90 and 91, Plate iv., Fig. 16.) 



ileum). The duodenum in the adult has no mesentery, and ac- 

 cordingly does not belong to the " mesenterial small intestine. " 



